Viscosity and compressibility have a major impact upon the efficiency and dynamic response of fluid power systems. The viscosity and compressibility of five hydraulic fluids have been measured for temperatures to 150 C and pressures to 350 MPa. A new correlation of viscosity with temperature and pressure based on the thermodynamic scaling rule of Roland et al is offered. This correlation provides a means to extend the accuracy of fluid power system models to higher pressures.
- Tribology Division
Modeling the Pressure and Temperature Dependence of Viscosity and Volume for Hydraulic Fluids
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Bair, S, & Michael, P. "Modeling the Pressure and Temperature Dependence of Viscosity and Volume for Hydraulic Fluids." Proceedings of the STLE/ASME 2008 International Joint Tribology Conference. STLE/ASME 2008 International Joint Tribology Conference. Miami, Florida, USA. October 20–22, 2008. pp. 193-195. ASME. https://doi.org/10.1115/IJTC2008-71028
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